Airvac, Inc., located in Rochester, Indiana, is the world leader in vacuum sewer technology.  The Company manufactures vacuum valves, valve pits and vacuum station equipment, as well as designing complete vacuum sewer systems for communities, new developments and industrial buildings.  Airvac, Inc. was a subsidiary of Ebara America Corporation, the U.S. holding company of Ebara Corporation, one of the largest Japanese machinery and engineering companies.

Bilfinger Berger AG, headquartered in Mannheim, Germany, is one of Germany's largest construction companies with more than $4 billion in revenues in 2004 and 50,000 employees in numerous branches and affiliated companies worldwide.

Crowe Capital provided advisory services to Airvac, Inc. and Ebara Corporation.